package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.dto.LoginDto;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

@Service
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {


    @Override
    public ResponseResult login(LoginDto dto) {

        //1.正常登录（手机号+密码登录）

        if(!StringUtils.isBlank(dto.getPhone()) && !StringUtils.isBlank(dto.getPassword())){
            //1.1查询用户

            ApUser apUser=getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone,dto.getPhone()));
        if (apUser==null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户不存在");
        }
            //1.2 比对密码
        String salt = apUser.getSalt();
        String pswd=dto.getPassword();
        pswd= DigestUtils.md5DigestAsHex((salt+ pswd).getBytes());
        if (!pswd.equals(apUser.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }
            //1.3 返回数据  jwt
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(apUser.getId().longValue()));
            apUser.setSalt("");
            apUser.setPassword("");
            map.put("user",apUser);
            return ResponseResult.okResult(map);
        }else {
            //2.游客  同样返回token  id = 0
            Map<String, Object> map = new HashMap<>();
            map.put("token",AppJwtUtil.getToken(0l));
            return ResponseResult.okResult(map);
        }

    }
}
